Well those guys were Maurice's guys. I guess we can question why Maurice didn't give Kovacevic a chance, but I'm sure deep down he had an affinity for that group of Sbisa, Beaulieu, Bittetto and Dahlstrom that had the Jets fighting for a playoff position, with Little out, Kulikov out for an extended period, Poolman out too. Before De Melo was acquired. There was no way Maurice was replacing Beaulieu with Kovacevic. Heck if he hadn't got injured he probably would have never replaced him with Stanley.
The Jets had a playoff mentality from 2018 on, and that came at the expense of some prospects, and only the best prospects rose to make the team. Hard to question Maurice now with a Stanley Cup ring, ultimately it was the Bowness/Arniel combination that cut Kovacevic, maybe Kovacevic makes the playoffs for the first time this year, a 27 year old veteran.